Gh6065 1 workaround for date+time range filters (#1353)

-  not sure about this
metasfresh/metasfresh#6065

src/main/java/de/metas/ui/web/document/filter/provider/standard/StandardDocumentFilterDescriptorsProviderFactory.java

@@ -39,12 +39,12 @@
  * it under the terms of the GNU General Public License as
  * published by the Free Software Foundation, either version 2 of the
  * License, or (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public
  * License along with this program. If not, see
  * <http://www.gnu.org/licenses/gpl-2.0.html>.
@@ -91,6 +91,11 @@ public DocumentFilterDescriptorsProvider createFiltersProvider(
 		for (final DocumentFieldDescriptor field : filteringFields)
 		{
 			final DocumentFilterParamDescriptor.Builder filterParam = createFilterParam(field);
+			if (filterParam.getWidgetType() == DocumentFieldWidgetType.Timestamp)
+			{
+				filterParam.setWidgetType(DocumentFieldWidgetType.LocalDate);
+			}
+
 			if (!defaultDateFilter.hasParameters() && filterParam.getWidgetType().isDateOrTime())
 			{
 				defaultDateFilter.setDisplayName(filterParam.getDisplayName());